#VU112109 Stored cross-site scripting in Essential Blocks for Gutenberg - CVE-2025-4682
Published: July 2, 2025
Essential Blocks for Gutenberg
Mangesh Kode,Clarionwpdeveloper
Description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the Slider and Post Carousel widgets. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
External links
- https://plugins.trac.wordpress.org/browser/essential-blocks/tags/5.4.0/src/blocks/post-carousel/src/frontend.js
- https://plugins.trac.wordpress.org/browser/essential-blocks/tags/5.4.0/src/blocks/slider/src/frontend.js
- https://plugins.trac.wordpress.org/changeset/3296386/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f88f065d-14ca-4547-9a41-f9177979a9ed?source=cve